Apriori algorithm: Difference between revisions

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I prefer \varnothing to \emptyset, because the former looks like a symbol invented for the age of typewriters.
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<math>L_1 \gets \{ </math> large 1-itemsets <math> \} </math>
<math>k \gets 2</math>
'''while''' <math> L_{k-1} \neq \emptysetvarnothing </math>
<math>C_k \gets </math>Generate<math>(L_k-1)</math>
'''for''' transactions <math>t \in T</math>